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USA weather in September 2023
- 26°C max day temperature
26 - 7 hours of sunshine per day
- 7 days with some rainfall
7 - 15°C min night temperature
15 - 12 hours of daylight per day
12 - Low heat & humidity
L - 87 mm of monthly rainfall
87 - 7 (High) UV index
7
Below are average maximum temperatures at popular destinations in the USA in September. Select a destination to see more weather parameters.
- Las Vegas
- Orlando
- Florida
- Miami
- Hawaii
- New Orleans
- Atlanta
- California
- Grand Canyon
- Los Angeles
- Nashville
- Washington D.C.
- Denver
- Philadelphia
- Chicago
- New York City
- Boston
- San Francisco
- Seattle
- Alaska
USA regions
- Alabama
- Arizona
- Arkansas
- Colorado
- Connecticut
- Delaware
- Georgia (USA)
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington State
- West Virginia
- Wisconsin
- Wyoming
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Recommended for the USA
The September weather guide for USA (Washington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in the USA in September?
Daytime temperatures usually reach 26°C in Washington, USA in September with low heat and humidity, falling to 15°C at night.
How sunny is it in the USA in September?
There are normally 7 hours of bright sunshine each day in Washington, USA in September - that's 60% of daylight hours.
Does it rain in the USA in September?
There are usually 7 days with some rain in Washington, USA in September and the average monthly rainfall is 87mm.
What is the chance of a hurricane in the USA in September?
On average less than 1 day in September in Washington, USA is likely to be affected by the passage of one or more tropical storms.
USA September sunrise & sunset times
Browse the sunrise and sunset times for USA in September 2023. Select a month to view USA sunrise and sunset times for the next 12 months. The USA sunrise and sunset times shown below are for Washington.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st September 2023 | 05:37 | 18:39 |
| Friday, 15th September 2023 | 05:49 | 18:17 |
| Saturday, 30th September 2023 | 06:03 | 17:53 |
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